<template>
  <el-dialog
    title="新增员工"
    :visible="showDialog"
    @click.native="closeTreeFn"
    @close="closeDialogFn"
  >
    <!-- 表单 -->
    <el-form ref="addForm" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input
          v-model="formData.username"
          style="width: 50%"
          placeholder="请输入姓名"
        />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input
          v-model="formData.mobile"
          style="width: 50%"
          placeholder="请输入手机号"
        />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker
          v-model="formData.timeOfEntry"
          type="date"
          style="width: 50%"
          placeholder="请选择入职时间"
        />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select
          v-model="formData.formOfEmployment"
          style="width: 50%"
          placeholder="请选择"
        >
          <el-option
            v-for="item in hireType"
            :key="item.id"
            :label="item.value"
            :value="item.id"
          />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input
          v-model="formData.workNumber"
          style="width: 50%"
          placeholder="请输入工号"
        />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <!-- v-model原理
             (1)设置 input框的 value 属性
             (2)注册了监听，监听input事件，当输入框修改了，拿到新更新的值，更新到value绑定的变量中
        -->
        <!-- 只想数据影响视图，只需设置value即可 -->
        <el-input
          :value="formData.departmentName"
          style="width: 50%"
          placeholder="请选择部门"
          @click.native.stop="focusGetDepartFn"
        />
        <div v-if="isShowTree" v-loading="isTreeLoading" class="tree-box">
          <el-tree
            :data="deptsList"
            :props="defaultProps"
            @node-click="handleNodeClick"
          />
        </div>
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker
          v-model="formData.correctionTime"
          style="width: 50%"
          placeholder="请选择转正时间"
        />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template v-slot:footer>
      <el-button @click="closeDialogFn">取消</el-button>
      <el-button type="primary" @click="submitUser">确定</el-button>
    </template>
  </el-dialog>
</template>

<script>
import obj from '@/constant/employees'
import { getDepartmentListApi } from '@/api/departments'
import { addUserApi } from '@/api/employees'
import { transListToTreeData } from '@/utils'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      hireType: obj.hireType,
      isShowTree: false, // 树形控件展示状态
      isTreeLoading: false, // 加载状态
      formData: {
        username: '', // 用户名
        mobile: '', // 手机号
        formOfEmployment: '', // 聘用形式
        workNumber: '', // 工号
        departmentName: '', // 部门
        timeOfEntry: '', // 入职时间
        correctionTime: '' // 转正时间
      },
      rules: {
        username: [
          {
            required: true,
            message: '用户姓名不能为空',
            trigger: ['blur', 'change']
          },
          {
            min: 1,
            max: 10,
            message: '用户姓名为1-10位',
            trigger: ['blur', 'change']
          }
        ],
        mobile: [
          {
            required: true,
            message: '手机号不能为空',
            trigger: ['blur', 'change']
          },
          {
            pattern: /^1[3-9]\d{9}$/,
            message: '手机号格式不正确',
            trigger: ['blur', 'change']
          }
        ],
        formOfEmployment: [
          {
            required: true,
            message: '聘用形式不能为空',
            trigger: ['blur', 'change']
          }
        ],
        workNumber: [
          {
            required: true,
            message: '工号不能为空',
            trigger: ['blur', 'change']
          }
        ],
        departmentName: [
          {
            required: true,
            message: '部门不能为空',
            trigger: ['blur', 'change']
          }
        ],
        timeOfEntry: [
          {
            required: true,
            message: '请选择入职时间',
            trigger: ['blur', 'change']
          }
        ]
      },
      deptsList: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      }
    }
  },
  methods: {
    closeDialogFn() {
      this.$emit('update:showDialog', false)
      this.formData = {
        username: '',
        mobile: '',
        formOfEmployment: '',
        workNumber: '',
        departmentName: '',
        timeOfEntry: '',
        correctionTime: ''
      }
      this.$refs.addForm.resetFields()
    },

    // 部门得到焦点请求部门数据
    async focusGetDepartFn() {
      // 请求部门数据
      // 展示树形结构
      this.isShowTree = !this.isShowTree
      if (!this.isShowTree) {
        return
      }
      this.isTreeLoading = true
      const { data } = await getDepartmentListApi()
      console.log(data)
      const deptsList = transListToTreeData(data.depts, '')
      this.deptsList = deptsList
      this.isTreeLoading = false
    },

    // 点击树形节点触发的事件
    handleNodeClick(data) {
      // 点击了叶子结点，才能赋值，把叶子结点赋值到input
      if (data.children && data.children.length > 0) {
        return
      }
      // 叶子结点赋值到input
      this.formData.departmentName = data.name
      // 关闭树形结构
      this.isShowTree = false
    },
    // 整个dialogg的点击事件
    closeTreeFn() {
      this.isShowTree = false
    },
    // 新增员工
    async submitUser() {
      this.$refs.addForm.validate(async (flag) => {
        if (!flag) return
        await addUserApi(this.formData)
        this.$message.success('恭喜你，员工添加成功')
        this.closeDialogFn()
        this.$parent.getUserList()
      })
    }
  }
}
</script>

<style lang="scss" scoped>
.tree-box {
  position: absolute;
  width: 50%;
  min-width: 50px;
  max-height: 150px;
  left: 0;
  top: 45px;
  z-index: 100;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding-right: 5px;
  overflow-y: auto;
  background-color: #fff;
}
</style>
